su 1.12.11devel
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su_addrinfo.h
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1/*
2 * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the project nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30#ifndef SU_ADDRINFO_H
31/* Defined when <sofia-sip/su_addrinfo.h> has been included */
32#define SU_ADDRINFO_H
42#ifndef SU_TYPES_H
43#include <sofia-sip/su_types.h>
44#endif
45
46#if SU_HAVE_BSDSOCK
47#include <netdb.h>
48#endif
49
50SOFIA_BEGIN_DECLS
51
52#if !SU_HAVE_ADDRINFO
53/*
54 * Error return codes from getaddrinfo()
55 */
56#ifndef EAI_ADDRFAMILY
57#define EAI_ADDRFAMILY 1 /* address family for hostname not supported */
58#define EAI_AGAIN 2 /* temporary failure in name resolution */
59#define EAI_BADFLAGS 3 /* invalid value for ai_flags */
60#define EAI_FAIL 4 /* non-recoverable failure in name resolution */
61#define EAI_FAMILY 5 /* ai_family not supported */
62#define EAI_MEMORY 6 /* memory allocation failure */
63#define EAI_NODATA 7 /* no address associated with hostname */
64#define EAI_NONAME 8 /* hostname nor servname provided, or not known */
65#define EAI_SERVICE 9 /* servname not supported for ai_socktype */
66#define EAI_SOCKTYPE 10 /* ai_socktype not supported */
67#define EAI_SYSTEM 11 /* system error returned in errno */
68#define EAI_BADHINTS 12
69#define EAI_PROTOCOL 13
70#define EAI_MAX 14
71#endif
72
73/*
74 * Flag values for getaddrinfo()
75 */
76#ifndef AI_PASSIVE
77#define AI_PASSIVE 0x00000001 /* get address to use bind() */
78#define AI_CANONNAME 0x00000002 /* fill ai_canonname */
79#define AI_NUMERICHOST 0x00000004 /* prevent name resolution */
80/* valid flags for addrinfo */
81#define AI_MASK (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST)
82
83#define AI_ALL 0x00000100 /* IPv6 and IPv4-mapped (with AI_V4MAPPED) */
84#define AI_V4MAPPED_CFG 0x00000200 /* accept IPv4-mapped if kernel supports */
85#define AI_ADDRCONFIG 0x00000400 /* only if any address is assigned */
86#define AI_V4MAPPED 0x00000800 /* accept IPv4-mapped IPv6 address */
87/* special recommended flags for getipnodebyname */
88#define AI_DEFAULT (AI_V4MAPPED_CFG | AI_ADDRCONFIG)
89#endif
90
91/*
92 * Constants for getnameinfo()
93 */
94#ifndef NI_MAXHOST
95#define NI_MAXHOST 1025
96#define NI_MAXSERV 32
97#endif
98
99/*
100 * Flag values for getnameinfo()
101 */
102#ifndef NI_NOFQDN
103#define NI_NOFQDN 0x00000001
104#define NI_NUMERICHOST 0x00000002
105#define NI_NAMEREQD 0x00000004
106#define NI_NUMERICSERV 0x00000008
107#define NI_DGRAM 0x00000010
108#endif
109
110struct addrinfo {
111 int ai_flags; /* AI_PASSIVE, AI_CANONNAME */
112 int ai_family; /* PF_xxx */
113 int ai_socktype; /* SOCK_xxx */
114 int ai_protocol; /* 0 or IPPROTO_xxx for IPv4 and IPv6 */
115 size_t ai_addrlen; /* length of ai_addr */
116 char *ai_canonname; /* canonical name for hostname */
117 struct sockaddr *ai_addr; /* binary address */
118 struct addrinfo *ai_next; /* next structure in linked list */
119};
120#endif /* SU_WITH_GETADDRINFO */
121
122#ifndef EAI_BADHINTS
123#define EAI_BADHINTS 10012
124#endif
125#ifndef EAI_PROTOCOL
126#define EAI_PROTOCOL 10013
127#endif
128
129#ifndef AI_MASK
130#define AI_MASK (AI_PASSIVE | AI_CANONNAME | AI_NUMERICHOST)
131#endif
132
134typedef struct addrinfo su_addrinfo_t;
135
138int su_getaddrinfo(char const *node, char const *service,
139 su_addrinfo_t const *hints,
140 su_addrinfo_t **res);
143
145SOFIAPUBFUN char const *su_gai_strerror(int errcode);
146
147union su_sockaddr_u;
148
150int su_getnameinfo(const union su_sockaddr_u *su, size_t sulen,
151 char *host, size_t hostlen,
152 char *serv, size_t servlen,
153 int flags);
154
155SOFIA_END_DECLS
156
157#endif /* !defined(SU_ADDRINFO_H) */
void su_freeaddrinfo(su_addrinfo_t *res)
Free su_addrinfo_t structure allocated by su_getaddrinfo().
Definition su_addrinfo.c:971
char const * su_gai_strerror(int errcode)
Return string describing address translation error.
Definition su_addrinfo.c:977
struct addrinfo su_addrinfo_t
RFC 1576 address info structure.
Definition su_addrinfo.h:134
int su_getaddrinfo(char const *node, char const *service, su_addrinfo_t const *hints, su_addrinfo_t **res)
Translate address and service.
Definition su_addrinfo.c:896
#define SOFIAPUBFUN
SOFIAPUBFUN declares an exported function.
Definition su_config.h:66
Basic integer types for su library.
Common socket address structure.
Definition su.h:157

Sofia-SIP 1.12.11devel - Copyright (C) 2006 Nokia Corporation. All rights reserved. Licensed under the terms of the GNU Lesser General Public License.